What is wrong with this sentence?

By Tuesday, the Roman Catholic Archdiocese of Portland, Maine has promised to turn over to local prosecutors a file containing all accusations of sexual misconduct involving it's priests.
There are 3 errors, I am unsure of what they are, can you help?

By Tuesday, the Roman Catholic Archdiocese of Portland, Oregon has promised to turn over to local prosecutors a file containing all accusations of unusual misconduct involving its priests.

Maine --> Oregon
it's --> its

There also needs to be a comma after Maine (or Oregon -- whichever you're using).

=)